cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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cpufreq_powersave.c (1036B)

      1// SPDX-License-Identifier: GPL-2.0-only
      2/*
      3 * linux/drivers/cpufreq/cpufreq_powersave.c
      4 *
      5 * Copyright (C) 2002 - 2003 Dominik Brodowski <linux@brodo.de>
      6 */
      7
      8#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
      9
     10#include <linux/cpufreq.h>
     11#include <linux/init.h>
     12#include <linux/module.h>
     13
     14static void cpufreq_gov_powersave_limits(struct cpufreq_policy *policy)
     15{
     16	pr_debug("setting to %u kHz\n", policy->min);
     17	__cpufreq_driver_target(policy, policy->min, CPUFREQ_RELATION_L);
     18}
     19
     20static struct cpufreq_governor cpufreq_gov_powersave = {
     21	.name		= "powersave",
     22	.limits		= cpufreq_gov_powersave_limits,
     23	.owner		= THIS_MODULE,
     24	.flags		= CPUFREQ_GOV_STRICT_TARGET,
     25};
     26
     27MODULE_AUTHOR("Dominik Brodowski <linux@brodo.de>");
     28MODULE_DESCRIPTION("CPUfreq policy governor 'powersave'");
     29MODULE_LICENSE("GPL");
     30
     31#ifdef CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE
     32struct cpufreq_governor *cpufreq_default_governor(void)
     33{
     34	return &cpufreq_gov_powersave;
     35}
     36#endif
     37
     38cpufreq_governor_init(cpufreq_gov_powersave);
     39cpufreq_governor_exit(cpufreq_gov_powersave);